Two parallel plates are separated by a distance of $5 \, mm$. The potential difference between them is $50 \, V$. $A$ particle of mass $10^{-15} \, kg$ and charge $10^{-11} \, C$ enters the region with a velocity of $10^7 \, m/s$. The acceleration of the particle will be:

  • A
    $10^8 \, m/s^2$
  • B
    $5 \times 10^5 \, m/s^2$
  • C
    $10^5 \, m/s^2$
  • D
    $2 \times 10^3 \, m/s^2$

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